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Full-Stack Engineer: Modernize Legacy Apps (Java/Python)
Full-Stack Engineer modernizing legacy command-and-control systems using Java, Python, and web frameworks like Angular or React in The Hague.
Senior Full Stack Software Engineer
Build and optimize a distributed synthetic-data platform using FastAPI, Next.js, Ray.io, and PostgreSQL, refactoring legacy Django components and improving scalability.
Senior Full-Stack Product Engineer, Startup, SaaS
Build and scale a multi-tenant SaaS platform using Django, React, and TypeScript, integrating with Shopify and Mendrix while optimizing cloud hosting on GCP/AWS.
Senior Full-Stack Engineer (Java/React) - Hybrid
Build and maintain a data platform using Java Spring Boot and React, ensuring system robustness and a smooth user experience.
Full Stack Developer (Java, Python, Angular or React) for NATO with security clearance
Build and modernize NATO command-and-control systems in Java/Python with Angular/React, deploying on Linux via Docker and CI/CD pipelines.
Java Developer (Spring) – DevOps & Data Apps
Builds Java/Spring Boot apps in a DevOps team using Kubernetes, React, and ElasticSearch to collect, analyze, and present data for operational research teams.
Software engineer (Java developer)
Build secure Java/Spring Boot services and React frontends to collect, analyze, and present large datasets for national-security research teams using Kubernetes and ElasticSearch.
Chuyên Viên Lập Trình - Mobile Dev
Build and maintain mobile apps for aviation IT projects, using Android, iOS, React Native, Flutter, or Swift.
Lập trình viên mobile react native
Build and maintain cross-platform mobile apps using React Native, integrating with ASP.NET APIs and Node.js backends while ensuring smooth performance and clean JavaScript code.
Lập Trình Viên Frontend Mobile App Thu Nhập Từ 20 - 30 Triệu
Builds Vue.js/Nuxt web UIs and hybrid mobile apps (Ionic/React Native), integrates APIs, and optimizes frontend performance.
Founding Engineer
Build and own the core agentic integration platform for enterprises using TypeScript, React, Node.js, LLMs, AWS, and PostgreSQL.
Associate Staff Engineer - DotNet Fullstack
Build and maintain enterprise .NET Core backend services and React-based frontends, deploy on AWS, and own full-stack feature delivery end-to-end.
Full Stack Developer - Python and React
Builds full-stack Python (FastAPI) and React apps, writes REST APIs with OpenAPI, manages complex state with Redux, and tests with Pytest/Jest/Playwright.
Desarrollador/a Python Backend Sr - SaaS
Build and scale a Python-based SaaS backend that ingests, transforms, and visualizes dental-clinic data on Google Cloud, using FastAPI, ETL pipelines, and Kubernetes.
Desarrollador / a Backend Node.js | Teletrabajo
Backend developer building Node.js APIs and services, working in a hybrid setup for a global IT consultancy with projects across IT, telecoms, energy, and infrastructure.
Desarrollador/a NODE Backend ¡Remoto!
Backend developer building REST APIs and services with Node.js, working in hybrid mode on IT and telecom projects for a global consultancy.
Desarrollador/a Node.js Backend ¡Remoto!
Builds and maintains Node.js backend APIs and React frontends, working in hybrid mode on IT and telecom projects for global clients.
Frontend Developer (Creative Developer)
Build and maintain Mediktor’s web tools, SDK, and integrations using Vue/React/Angular, TypeScript, and Node.js while collaborating with backend, mobile, and UX teams.
Senior React Frontend Developer (híbrido Madrid / Mallorca)
Build and evolve scalable React/TypeScript frontends for B2B and B2C travel platforms, using Next.js, micro-frontends, and modern state-management tools while collaborating in a Scrum team.
Senior React Frontend Developer (híbrido Madrid / Mallorca) - cequelinos
Build and evolve scalable React/TypeScript frontends for B2B and B2C travel platforms, using Next.js, micro-frontends, and modern state-management tools while collaborating in a Scrum team.